Methods for effecting joining of rails in the track, e.g. taking account of ambient temperature

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Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B27/00, E01B31/00 take precedence) > Undetachably joining or fastening track components in or on the track, e.g. by welding, by gluing; Pre-assembling track components by gluing; Sealing joints with filling components (E01B31/26 takes precedence; independent heating means E01B31/18; welding in general B23K; gluing metal parts in general F16B11/00) > Methods for effecting joining of rails in the track, e.g. taking account of ambient temperature